Intermittent thermotic motor.



No. 673,022. Patented Apr. 30, l9 0l. ANTHONY ISKE & ALBERT ISKE.

INTERMITTENT THERMOTIC MOTOR.

(Application filed May 15. 1900.) (No Model.) 2 Sheets-Sheet I.

No. 673,022. Patented Apr. 30, I901. ANTHONY ISKE &. ALBERT ISKE. INTEBMITTENT THERMOTIC MOTOR.

(Application filed May 15, 1900.) I (No Model.) 2 Sheets-Sheet 2.

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1m: uoams PETERS co. PHUTD-LITNQ, WASHINGTON. D. c.

* UNITED STAT S PATENT OFFICE.

ANTHONY ISKE AND ALBERT ISKE, OF LANCASTER, PENNSYLVANIA, AS- SIGNORS OF ONE-HALF TO FREDERICK A. BIEHL, OF SAME PLACE.

INTERMITTENT TH ERMOTI C M OTOR.

SPECIFICATION forming part of Letters Patent N 0. 673,022, dated April 30, 1901.

Application filed May 15, 1900.

and exact description of the invention, such 1 as will enable others skilled in the art to which i it appertains to make and use the same.

This invention relates to improvements in an intermittent thermotic motor of that class in which a tubular shaft or lever having a bulb or globular receptacle at each end therea of is eccentrically pivoted to a supportingframe, normally inclining the shaft, with one bulb or receptacle in a prescribed lower plane or position than the other, in which the lower bulb or receptacle is nearly filled with a volatile liquid, the air having been extracted from both bulbs and tube,in which a modicum of heat, as from a lamp, gas-jet, or other caloric agency, causes said liquid to rise intothe higher bulb, and thereby trip or raise said shaft or lever, and in which the liquid will on cooling descend by gravitation into said lower bulb and return the shaft or lever to its normal or inclined position, and thereby effect the required. intermittent motion.

The object of the invention is the construction or production of a motor that will at a small cost move objects intermittently in one direction and alternately up and down or backward and forward, as for advertising or exhibition purposes.

It will here be remarked that we have heretofore obtained patents for thermotic motors at different times since June 7, 1881; but these motors, severally considered, have continuous rotary or continuously-reciprocating actions, with no approach or approximation to the intermittent motion of the device set forth or described in the present application. The following is a detailed list of such patents: No. 242,454, dated June 7, 1881, issued to us for a motor; No. 243,909, dated July 5, 1881, issued to us for a motor; No. 253,867, dated February 21, 1882, issued to Albert Iske for a motor; No. 253,868, dated February 21, 1882, issued to us for a motor;'No. 256,482,

erial No. 16,738. (No model.)

dated April 18, 1882, issued to us for a motor; No. 271,639, dated February 6, 1883, issued to us for an oscillating motor, and No. 250,821, dated December 13, 1881, issued to I. L. Landis for an oscillating motor.

The elements of theinvention will severally and at large appear in the following description, and they will be separately and collectively set forth or pointed out in the appended claims.

The purposes of the invention are attained by the mechanism, devices, and means illustrated in the accompanying drawings, with similar reference characters to designate like parts throughout the several views,in which' Figure 1 is a front elevation of a frame supporting the elements of the invention in operative positions, indicated by full and dotted lines. Fig. 2 is a top view of Fig. 1, with a portion broken away and the base omitted for clearness and want of room in the drawing, showing the tubular shaft and bulbs as they appear in the dotted position in Fig. 1 and the frame in section on the dotted line 0050. Fig. 3 is a rear side view of the frametop comprehended by the dotted line y y in Fig. 1, showing a portion of the tubular shaft and connected parts as they appear in the dotted positions in Fig. 1, with the central portion of the tube removed. Fig 4 is acompleted front side view of the portion comprehended by the dotted line ,2 z in Fig. 1, and Figs. 5 and 6 are views showing modifications in the construction and operation of the motor.

The invention consists, primarily, of a tube Aof approved dimensions bent or shaped as shown by full and dotted lines in two positions in Fig. 1, having its ends a a respectively provided with hollow bulbs or globules A A but the end at having been slightly narrowed passes into and diametrically nearly through the body of its globule A and is rigidly secured in place, as by fusing, soldering, or brazing, with the extremity thereof in close proximity to the inner surface of said globule and near the bottom thereof to practically empty the globule of liquid contained therein, and the end a, being accordingly curved, opens practically through the bottom thereof into the body of its globule A and rigidly secured also by fusing, soldering, or brazing, while a volatile liquid (indicated by dotted or broken lines a practically fills the globule A, leaving a space a above said liquid for the assembling of gas or vapor, as will be hereinafter mentioned, the liquid having been inducted thereinto and the air extracted from both globules and the tube through the top of the globule A, as at the point a, and hermetically closed or sealed. Underneath the tube is shown a plate A preferably of metal, shaped conformably with the tube, to which its upper end is secured, as by an embracing strap or band a, and its lower end is held in place by the embracing-neck a, of an inverted cup or hood A placed over the globule A, reflecting or directing the heat from a lamp or jet, yet to be described, to the top of said globule. At the prescribed distance from its upper end this plate is provided with a rigidly-affixed side-projecting hub-block A having rigidly secured thereinto one end of a shaft or spindle a for pivoting or journaling said tube in place, while the block has rigidly secured thereto, adjacent to its outer or free end, a down wardly-projecting an (1 forwardly-inclining arm or finger a to en gage in the horizontallydisposed notches of a ratchet-wheel, ye to be described, and at a prescribed point on the required side of said block said plate is provided with a rigidly-affixed and downwardly-projecting pivot-lug A, having pivoted thereto one end of a pawl or finger A with its bifurcated or two-pronged free end a to engagein the vertically-disposed notches of said ratchet-wheel, and the upper end of the plate is provided with a longitudinallyextending screw-threaded rod (1 on which a screw-block A serves to balance or adjust the tube,with its bulbs and liquid, to properly perform its functions, said plate having been so pivoted as to give to said tube a long arm and a short arm, having one on each side of said pivot, constituting the tubular shaft or lever of the invention.

The invention consists, secondarily, in the providing of a suitable framework to support said lever or shaft, which frame may be of any approved construction and arranged according to the duties the motor is to perform or to the nature of the mechanism to be driven thereby. In this instance a framework B is provided, and it consists of a centrally-open rectangular portion B, standing erect upon a head I), being connected therewith by a central bottom projection b and having a central top projection b provided with a rearwardly-projecting pivot-block b through which the spindle a with a washer B thereon and a cotter-pin B therethrough, serves to pivot the tubular shaft or lever in place, a stop-lug b from said pivot-block stopping said lever in its upward progress on being tripped, and the head I), being at the upper end of the neck of a base B on which the framework stands, is provided with two sidewise-projecting arms 13 each arm having at its outer end a vertical socket or receptacle B, one socket containing alcohol and a common lighting-torch (designated bythehead b and the other socket supporting any approved caloric agent, such as a lamp W, with its flame or or jet b providing the required heat. Over the source of heat just mentioned is arranged a globe B with a side opening the former to assemble the heat from the flame of said source and the latter to admit the torch or lighter thereto, while around the top opening of the globe is arranged a funnel-like or outwardly-flaring cup B to permit the required globnle to enter thereinto and to properly distribute the heat to the entered globule, and said top opening is partially covered by a plate B to prevent direct contact of the flame with said entered globule; but a partial ringspaoe b on one side of said plate permits the free passage of the heat from said flame, and the lamp is provided with a turn-button 1), whereby its flame may be regulated at pleas ure, so as to produce the required heat. lhe upper portion B of the frame is provided with rearwardly-projecting lugs 19 b to rotatably support a vertical shaft B, journaled therein, the lower one, I), being a socket or .pin bearing, and the upper one has a covering-cap B secured in place by screws 1), while the shaft may support any device, such as a circular disk platform, (indicated by dotted lines 1,) on which goods or wares may be placed for display.

To the upper end of the shaft 13 is secured the hub of a ratchet-wheel O, as by a set-screw c, said wheel consisting of a horizontally-disposed disk having notches 0r teeth a in the periphery thereof, and of an upwardly-disposed rim, ring, or flange, with notches or teeth in its upper edge, said former notches 0, being adapted to be engaged by the hubfinger a preventing further rotation, and said latter notches c to be engaged by the pawl end (1 thereby rotating the wheel and shaft, and thus completing the motor.

The tube and the bulbs are preferably made of glass, so that the action of the liquid in its passage through the tube or from bulb to bulb, setting the motor in motion and keeping it going, may at all times be clearly seen. It will here be remarked that this presents a very attractive feature, and especially such when the liquid is pleasingly tinted or colored. It will also here be remarked that the end a of the tube instead of entering and passing practically through the bulb A, as before mentioned, may be made to curve around said bulb, enter the bottom thereof, and be secured in place, and that the wheel 0, with the shaft B and the pawl A may be removed or omitted, and a connecting-rod, with one end pivoted in place of said pawl to the lug A, will impart an up-and-down motion to what'- ever may be pivoted or otherwise secured to the other end of said red; but these two modifications or constructions (illustrated in Figs.

IIO

5 and 6 of the drawings) do not alter the character of the invention or depart from its spirit. In these modified constructions D designates the tube; d, its curving portion; d, its extremity entering the bulb and secured practically through the'bottom thereof, and d the liquid in the bulb, as shown, as well as in the lower portion of the tube, while the cup above the heat source is provided with a side out or opening d receiving the lower part "of the curved portion 01 of the tube on the entrance of its bulb into said cup. E designates theconnecting-rod, having its upper end e pivoted to the lug d of the tube and its lower end 6 pivoted to the projecting end of an arm 6 with its forwardly-extending body secured to the top of a box-lid 6 having its rearwardedge flush with the outer face of the back wall of a box E, such as an ordinary cigar-box orv facsimile thereof, and to the upper edge of its back wall said lid is horizontally hinged, as by strap-hinges e, while the box is secured in position in any approved manner to the frame E being similar in form to the supporting-frame B, before mentioned.

Now the several parts hereinbefore described and occupying the respective positions indicated in the drawings, the following observations Will be noted: first, that the heat from the flame b causes vapor or gas to rise from the liquid (1 in the bulb A into the space a and expanded by the heat reflected from the cup A generating a pressure downward on said liquid, forcing it through the inlet a into the tube A, and up therethrough into the bulb A Where its weight will trip the lever into the dotted position indicated by the numeral 2, making alimited pause; second, that during this movement the lever will draw the pawl A with its end a over the Wheel 0 from engagement with a preceding notch e into contact with the next succeeding, said wheel and the shaft B remaining stationary; third, that during this pause the liquid in the bulb A will cool and fiow by gravitation through the tube and out through its end ainto the bulb A, where its weight,bearin g down,will return the lever to the full'line position, with its bulb A again in the flaring top 13*, making a limited pause; fourth, that during this movement the lever will push the pawl A its end a being in contact with the required notch of the wheel 0, and rotate said wheel and the shaft B to the desired extent; fifth, that during this latter pause the liquid in the bulb A will be again heated and the movements above mentioned repeated, thus completing the intermittent motor required; sixth, that the modified tube in the motorillustrated in Figs. 5 and 6 will move intermittently in the same manner as the tube A above mentioned and by reason of the connecting-rod E alternately drop and raise the box-lid e of the box E, closing and opening said box with an interval or pause after each movement, and, seventh, that the alternate dropping and raising of this box-lid, as shown, corresponds to or requires the same mot-ions as intermittently rocking or oscillating a horizontal shaft, its axis being in the lineof lheaxis of the hingejoints of the box-lid.

Having now described the invention and fully ascertained and set forth themanner' in which itis performed,what is considered new, and desired to be secured by Letters Patent, 1s

1. In an intermittent thermotic motor having a supporting-frame, a 'e'rtically-oscillating tube eccentrically pivoted to said frame, Wit-h a hollow chamber having interior communication at each end of said tube, one chamber being always in a lower plane than the other chamber; a volatile liquid partially filling the chamber in said lower plane and movable from chamber to chamber through said tube, with the air extracted from both chambers and tube; and heat provided to move said liquid; substantially as described and for the purpose hereinbefore set forth.

. 2. In an intermittent thermotic motorhaving a supporting-frame, a vertically-oscillating tube eccentrically pivoted to said frame, and having a chamber with internal communication secured to each end of said tube, with one chamber always in a lower plane than the other, and a heat-deflecting hood arranged above said lower chamber; a volatile liquid partially filling said hooded chamber and movable in vacuo from either chamberto the other through said tube, with a source of heat provided to move said liquid; substantially as described and for the purpose hereinbefore set forth.

3. In an intermittent thermotic motor having a supporting-frame, a vertically-oscillat ing tube pivoted out of its center to said frame, so as to be normally inclining with its \longer end downwardly disposed, and having a bulb at each end thereof, the longer end entering its bulb and extending therethrough to near the opposite side, and the shorter end opening into its bulb through the bottom thereof and remaining flush with its inner surface, a volatile liquid nearly filling the bulb having the entering end of the tube, with the air exhausted from the bulbs and tube; a modicum of heat forcing said liquid through said tube from the lower to the higher bulb, and returning therethrough from said higher to said lower bulb, the latter being" away from said heat; and means provided such as a stop-lug, 17 of the frame pivotblock, 12 with a finger, a of the tube hubblock, A to contact with said stop-lug, limiting the upstroke of the long end of the tube; with means provided to intermittently rotate or move a shaft; substantially as described and for the purpose hereinbefore set forth.

4. In an intermittent thermotic motor having a supporting-frame, a vertically-oscillating tube eccentrically pivoted to said frame so as to be normally inclining, and its longer arm downwardly extending, with a bulb at &

each end thereof, the lower end of the longer arm entering its bulb near the top and extending therethrough to near the bottom, and the upper end of the shorter arm opening into its bulb practically through the bottom thereof and remaining flush with its inner surface; a volatile liquid, with a space above, within said lower bulb, and the air exhausted from both bulbs and tube; a modicum of heat forcing said liquid through the tube from the lower to the upper bulb, and the liquid again returning through said tube from said upper into said lower bulb, the latter bulb being away from said heat;- and a longitudinallyadjustable weight at the free end of the shorter arm of the tube; substantially as described and for the purpose hereinbefore set forth.

5. An intermittent thermotic motor comprising: a supporting-frame; a vertically-oscillating tube eccentrically pivoted to said frame, and having a bulb at each end thereof, one in a higher and the other in a lower plane, the lower end communicating interiorly with the bottom of its bulb, and the higher end opening through the bottom of its bulb and remaining flush with its inner surface, with a heat-deflecting hood arranged above said lower bulb, and a balance-weight longitudinally adjustable at the higher end of the tube; a volatile liquid, with a space above, within said lower or hooded bulb, and the air exhausted from both bulbs and tube; a modicum of heat forcing said liquid through said tube from said lower into said higher bulb, and said liquid returning therethrough from said higher into said lower bulb, the latter being away from said heat; and means provided to intermittently rotate or. rock a shaft; all substantially as described and for the purpose hereinbefore set forth.

In testimony whereof we aflix our signatures in presence of two witnesses.

ANTHONY ISKE. ALBERT ISKE. 

